\begin{tikzpicture}
	\begin{scope}
		\baseabc
	\end{scope}

	\begin{scope}[yshift=-2.3cm]
		\comparedabc
		\tkzLabelPoint[right](B){$B$}

		\tkzDefPoint(25:2){B'}
		\tkzDrawSegment(O,B')
		\tkzLabelPoint[right](B'){$B'$}
	\end{scope}
\end{tikzpicture}

